// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_GL_GL_CONTEXT_STUB_WITH_EXTENSIONS_H_
#define UI_GL_GL_CONTEXT_STUB_WITH_EXTENSIONS_H_

#include "base/macros.h"
#include "ui/gl/gl_context_stub.h"

namespace gfx {

// Lightweight GLContext stub implementation that returns a constructed
// extensions string.  We use this to create a context that we can use to
// initialize GL extensions with, without actually creating a platform context.
class GL_EXPORT GLContextStubWithExtensions : public gfx::GLContextStub {
public:
    GLContextStubWithExtensions() { }
    std::string GetExtensions() override;

    void AddExtensionsString(const char* extensions);
    void SetGLVersionString(const char* version_str);
    bool WasAllocatedUsingRobustnessExtension() override;

protected:
    std::string GetGLVersion() override;

    ~GLContextStubWithExtensions() override { }

private:
    std::string extensions_;
    std::string version_str_;

    DISALLOW_COPY_AND_ASSIGN(GLContextStubWithExtensions);
};

} // namespace gfx

#endif // UI_GL_GL_CONTEXT_STUB_WITH_EXTENSIONS_H_
